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Multiple mode oxygen delivery system

  • US 5,603,315 A
  • Filed: 08/14/1995
  • Issued: 02/18/1997
  • Est. Priority Date: 08/14/1995
  • Status: Expired due to Fees
First Claim
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1. A gas delivery apparatus consisting essentially ofa gas pressure regulator, having an input and an output, with said input selectively coupled to a gas supply source;

  • a pressure sensor coupled to said output of said gas pressure regulator for sensing fluidic supply pressure emitted from said output of said pressure regulator;

    at least one gas valve, having an input and an output, with said input of said at least one gas valve fluidically coupled to said output of said pressure regulator downstream of said pressure sensor;

    a control system for controlling said at least one gas valve and communicating with said pressure sensor; and

    an output port coupled to said output of said at least one gas valve.

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